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D_Ediswan

Information - Aide 
ID = 66927
       
Pays:
Royaume Uni
Fabricant: Ediswan, Siemens Edison Swan Electric Co.; London
Type:  Triode, vacuum   Detector 
Identique à D_Ediswan = D_Osram

Culot IS-1 (Interservice, UK 1918)
Utilisé par Militaire et/ou Services Publics
Chauffage Vf 5 Volt / If 0.46 Ampère / Direct / Battery =
Description

This is a soft tube designed as a detector fior the British Royal Air Force and first made in 1919. The stem uses the "four pillar" design as used in some Ediswan tubes of the time. Before the Air Force settled on the VR and VT designation, five known types used the single letter - A, B, C. D and F.

 
Dimensions
(l x h x p)
incl.pins/tip
x 87 x 25 mm / x 3.43 x 0.98 inch
Poids 33 g / 1.16 oz
Bibliographie British Radio Valves - The Vintage Years: 1904-1925   Pages 27-28, 78 & 86

is1_base~~5.png D_Ediswan: Fin Stewart
Fin Stewart

 

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